Novick D, Reed C, Haro JM, Gonzalez-Pinto A, Perrin E, Aguado J, Tohen M. Comparison of olanzapine and risperidone in the EMBLEM study: translation of randomized controlled trial findings into clinical practice. Int Clin Psychopharmacol. 2010 Sep;25(5):257-63.
Parsley (Edwards) TL. Review of the phantom respondents: opinion surveys and political representation. J Off Stat. 1994;10(3):351-5.